Academician Yan Chuliang ntawm Suav Academy ntawm Kev Tshawb Fawb tau kawm txog kev tsim cov beryllium tooj liab microfilaments rau siab ruaj khov aviation connectors, ib qho tseem ceeb "caj dab" cov ntaub ntawv, hauv KinKou!
Post lub sij hawm: Jan-19-2022